feat: remove unused indices #1930

Job	Run time
Run OIDC conformity tests	13m 2s
Generate SDKs	3m 33s
Run tests and lints	6m 0s
Run end-to-end tests (memory)	4m 50s
Run HSM tests	5m 1s
Run end-to-end tests (memory, --jwt)	4m 55s
Run end-to-end tests (postgres)	5m 3s
Run end-to-end tests (postgres, --jwt)	4m 50s
Run end-to-end tests (mysql)	5m 16s
Run end-to-end tests (mysql, --jwt)	5m 3s
Run end-to-end tests (cockroach)	5m 35s
Run end-to-end tests (cockroach, --jwt)	5m 26s
Build CLI docs	0s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Release SDKs	0s
Render version schema	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 8m 34s

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